//import java.util.Scanner;

public class HelloWorldIfStatements
{
	
	public static void main(String[] args)
	{
		//Scanner input = new Scanner(System.in);
		//String stringage = input.next();
		int age = 15;
		if ((age >= 13) && (age <= 19))
			System.out.print("You are an teenager.");
		
		elseif((age<13));
			System.out.print("You a child.");
		elseif((age>=55));
			System.out.print("You are a senior.");
		elseif((age>=18)&&(age));
		
	}
}
